*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } .ns { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #0f0f0f; color: #e5e5e5; min-height: 100dvh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 2rem 1.5rem; } .ns-card { background: #1a1a1a; border: 1px solid #2a2a2a; border-radius: 16px; padding: 3rem 2.5rem; max-width: 480px; width: 100%; display: flex; flex-direction: column; align-items: center; gap: 1.5rem; text-align: center; } .ns-logo { width: 56px; height: 56px; flex-shrink: 0; } .ns-logo img { width: 100%; height: 100%; object-fit: contain; } .ns-title { font-size: 1.375rem; font-weight: 600; color: #f5f5f5; letter-spacing: -0.3px; line-height: 1.3; } .ns-body { font-size: 0.9375rem; color: #8a8a8a; line-height: 1.65; } .ns-divider { width: 100%; height: 1px; background: #252525; } .ns-notice { display: flex; align-items: flex-start; gap: 0.75rem; background: #1f1f1f; border: 1px solid #2e2e2e; border-radius: 10px; padding: 0.875rem 1rem; text-align: left; width: 100%; } .ns-notice-icon { flex-shrink: 0; width: 16px; height: 16px; color: #facc15; align-self: flex-start; margin-top: 3px; } .ns-notice p { font-size: 0.875rem; color: #9a9a9a; line-height: 1.55; } .ns-notice a { color: #60a5fa; text-decoration: none; font-weight: 500; } .ns-notice a:hover { text-decoration: underline; } .ns-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; } .ns-tag { font-size: 0.75rem; font-weight: 500; color: #6b7280; background: #1f1f1f; border: 1px solid #2a2a2a; border-radius: 999px; padding: 0.25rem 0.75rem; }

PhysioHub

Spaced-repetition flashcard decks for physiotherapy students and clinicians, covering orthopaedics, neurology, spinal pathology, and more.

Orthopaedics Neurology Spinal Pathology Paediatrics General Medicine

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PhysioHub

Research previewExplore the evidence libraryExplore the research library

Radiographic Instability


Passive Lumbar Extension Test	84.2	90.4	8.8
Low Midline Sill Sign / Slipping PalpationSpondylolisthesis	81.3	89.1	7.5
Interspinous Gap Change	82.2	60.7	2.1
Prone Instability Test	—	—	—